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137 Acid/Base/Periodic Table Quiz Review Flashcards | StudBud
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137 Acid/Base/Periodic Table Quiz Review
137 Acid/Base/Periodic Table Quiz Review
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#biochemistry
Flashcards
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Questions
11
Answers
1
What do bases usually have in their chemical formula?
O
OH
H
N
2
Magnesium is atomic # 12 and has an atomic mass of 24.305. How many neutrons are present?
13
24
12
11
3
Atomic Mass =
Protons + Electrons
Electrons + Neutrons
Protons - Neutrons
Protons + Neutrons
4
Fluorine is atomic # 9 and has an atomic mass of 18.998. How many neutrons are present?
19
11
9
10
5
If the pH indicator paper turns dark blue, then the chemical is...
neutral
an acid
a lipid
a base
6
In a neutral atom, the number of protons = ?
the number of electrons
the number of subatomic particles
the atomic mass
the number of neutrons
7
What do acids usually have in their chemical formula?
Cl
Na
H
OH
8
You test a chemical with pH indicator paper and it turns orange (pH 4). What is this chemical?
Acid
Neutral
Base
Carbohydrate
9
Atomic number = ?
# of Protons
# of Electrons
# of Atoms
# of Neutrons
10
Which is an example of a neutral chemical?
HOH
KOH
HCl
NaOH
11
What is the pH range for an acid?
8-14
0-6
0-7
7
